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Cheap flights from Sioux Falls to London from £193

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — LON
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sioux Falls to London

Enter your travel dates to find the best prices.

Cheapest flights from Sioux Falls to London
Explore the most affordable flight options available from Sioux Falls to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2026.

Wed 8/418:35
FSD
-
LHR
2 stops19h 05m
Lufthansa
Tue 21/406:55
LHR
-
FSD
2 stops19h 35m
Lufthansa
Deal found 18/2£464
Sun 5/405:00
FSD
-
LHR
1 stop26h 05m
Delta
Wed 15/406:30
LHR
-
FSD
2 stops15h 07m
Delta
Deal found 17/2£475
Wed 8/419:45
FSD
-
LHR
1 stop10h 30m
Iberia
Tue 21/406:15
LHR
-
FSD
2 stops22h 56m
Iberia
Deal found 18/2£478
Tue 7/413:34
FSD
-
LHR
1 stop17h 31m
Delta
Fri 17/406:30
LHR
-
FSD
2 stops18h 52m
Delta
Deal found 17/2£482
Tue 7/418:35
FSD
-
LHR
2 stops17h 50m
Lufthansa
Fri 17/407:25
LHR
-
FSD
2 stops20h 24m
Lufthansa
Deal found 16/2£483
Tue 7/409:05
FSD
-
LHR
2 stops15h 25m
United Airlines
Fri 17/406:50
LHR
-
FSD
2 stops16h 54m
United Airlines
Deal found 17/2£484
Tue 17/305:20
FSD
-
LHR
1 stop25h 20m
KLM
Tue 24/315:50
LHR
-
FSD
1 stop35h 22m
KLM
Deal found 16/2£485
Mon 16/309:00
FSD
-
LHR
2 stops17h 10m
United Airlines
Thu 26/310:25
LHR
-
FSD
1 stop16h 37m
United Airlines
Deal found 16/2£493
Sun 5/415:10
FSD
-
LHR
1 stop14h 35m
United Airlines
Wed 15/411:25
LHR
-
FSD
1 stop15h 05m
United Airlines
Deal found 17/2£496
Tue 7/416:23
FSD
-
LHR
1 stop14h 42m
KLM
Fri 17/412:25
LHR
-
FSD
1 stop33h 12m
KLM
Deal found 16/2£497
Wed 8/418:35
FSD
-
LHR
2 stops17h 50m
Lufthansa
Sat 18/409:00
LHR
-
FSD
2 stops18h 49m
Lufthansa
Deal found 18/2£499
Tue 24/212:03
FSD
-
LGW
2 stops35h 57m
Multiple Airlines
Mon 2/314:00
LGW
-
FSD
1 stop27h 12m
Multiple Airlines
Deal found 17/2£594

Find flight deals from Sioux Falls to London

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 February 2026.

Round-trip from

£464

One-way from

£193
Lufthansa
  • Lufthansa
  • 8/4-21/4
  • 4 total stops
  • 38h 40m total
  • Sioux Falls to London
Search Deals
Delta
  • Delta
  • 18/5
  • 1 total stop
  • 22h 46m total
  • Sioux Falls to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sioux Falls to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Sioux Falls to London that are best for you.

Fly from

Sioux Falls

Fly to

London

Route

Depart

Return

Price

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/4

13:34-13:05

1 stop17h 31m

London Heathrow

Fri 17/4

06:30-19:22

2 stops18h 52m

£482

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 7/4

09:05-06:30

2 stops15h 25m

London Heathrow

Fri 17/4

06:50-17:44

2 stops16h 54m

£484

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Tue 17/3

05:20-11:40

1 stop25h 20m

London Heathrow

Tue 24/3

15:50-22:12

1 stop35h 22m

£485

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/4

18:35-22:40

2 stops22h 05m

London Heathrow

Tue 21/4

07:25-20:30

2 stops19h 05m

£492

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Mon 16/3

09:00-07:10

2 stops17h 10m

London Heathrow

Thu 26/3

10:25-22:02

1 stop16h 37m

£493

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Sun 5/4

11:25-06:45

1 stop13h 20m

London Heathrow

Thu 16/4

14:10-21:49

1 stop13h 39m

£496

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/4

11:25-06:55

2 stops13h 30m

London Heathrow

Tue 21/4

14:10-21:49

1 stop13h 39m

£503

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 1/5

07:30-06:55

2 stops17h 25m

London Heathrow

Thu 7/5

06:50-21:47

2 stops20h 57m

£521

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Fri 1/5

11:25-06:55

2 stops13h 30m

London Heathrow

Fri 8/5

06:50-17:54

2 stops17h 04m

£521

Sioux FallsLondon

FSD - LHR

FSDLHR

Sioux Falls Joe Foss Field

Wed 8/4

13:43-11:35

2 stops15h 52m

London Heathrow

Sat 18/4

07:25-17:44

2 stops16h 19m

£522

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 54 results
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Best time to book a flight from Sioux Falls to London

Have a flexible travel schedule? Discover the best time to fly to London from Sioux Falls with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to London

What is the cheapest month to book a flight from Sioux Falls to London?

Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of £447). Flying from Sioux Falls to London in June is currently the most expensive (average of £758). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top stopover airport for flights from Sioux Falls to London?

Share of one-stop return flights from Sioux Falls to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Minneapolis (MSP) – chosen by Cheapflights users on 67% of one-stop itineraries from Sioux Falls to London on Cheapflights.

What’s the cheapest stopover airport for flights from Sioux Falls to London?

Average return fare for one-stop flights from Sioux Falls to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Chicago (ORD) is the most affordable one-stop option, with an average return flight price of £553.

What’s the fastest stopover option from Sioux Falls to London?

Shortest average travel time for one-stop one-way flights from Sioux Falls to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for one-stop routes: 10h 30m.

Which airport typically offers the quickest stopover for flights from Sioux Falls to London?

Average stopover duration for one-stop one-way flights from Sioux Falls to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 28m.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to London?

    For a flight from Sioux Falls to London, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Sioux Falls Joe Foss Field on a regular basis.

  • How long is the flight from Sioux Falls to London?

    For as low as £484, Delta can have you in London from Sioux Falls in 15h 25m. The distance from Sioux Falls to London is about 4189 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Sioux Falls to London?

    The most popular route from Sioux Falls to London is Sioux Falls Joe Foss Field - London Heathrow. You may also consider Sioux Falls Joe Foss Field - London City or Sioux Falls Joe Foss Field - London Gatwick.

  • Can I find deals for flights from Sioux Falls to London that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to London.

  • Can I find deals for business class flights from Sioux Falls to London?

    Yes. Cheapflights offers flight deals from Sioux Falls to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sioux Falls to London?

    Currently, March is the cheapest month in which you can book a flight from Sioux Falls to London (average of £447). Flying from Sioux Falls to London in June is currently the most expensive (average of £758). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

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Alternative routes for Sioux Falls to London

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Heathrow flights
Sioux Falls to Gatwick flights
Rapid City to Heathrow flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sioux Falls to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Sioux Falls today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sioux Falls to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sioux Falls to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sioux Falls to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sioux Falls to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Sioux Falls today and book when prices fit your budget.

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